This is the command trang that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
trang - convert between different schema languages for XML
SYNOPSIS
trang [-I rng|rnc|dtd|xml] [-O rng|rnc|dtd|xsd] [-i input-param] [-o output-param] input-
file ... output-file
DESCRIPTION
trang takes as input a schema written in any of the following formats:
RELAX NG (XML syntax)
RELAX NG (compact syntax)
XML 1.0 DTD
and produces as output a schema written in any of the following formats:
RELAX NG (XML syntax)
RELAX NG (compact syntax)
XML 1.0 DTD
W3C XML Schema
Trang can also infer a schema from one or more example XML documents.
Trang uses an internal representation based on RELAX NG. For each supported input format,
there is an input module that converts a schema in that input format into this internal
representation. For each supported output format, there is an output module that converts
the internal representation into a schema in that output format. Thus, any supported
input format can be translated to any supported output format.
Trang requires two command-line arguments: the first is the URI or filename of the schema
to be translated; the second is the output filename.
Trang infers the input and output modules to be used from the extension of input and
output filenames as follows:
.rng RELAX NG (XML syntax)
.rnc RELAX NG (compact syntax)
.dtd XML 1.0 DTD
.xsd W3C XML Schema
.xml XML documents (used as examples from which to infer a schema)
This inference can be overridden using the -I and -O options.
When the input is XML documents used as examples to infer a schema, more than one input
file may be specified as arguments. All the input files are specified before the output
file.
OPTIONS
-I rng|rnc|dtd|xml
Specifies which input module to use.
-O rng|rnc|dtd|xsd
Specifies which output module to use.
-i input-param
-o output-param
Specifies a parameter for an input (-i) or output (-o) module. The -i and -o
options may be used multiple times in order to specify multiple parameters. There
are two kinds of parameter: boolean parameters and string-valued parameters. A
string-valued parameter is specified using the form name=value. A boolean
parameter is specified using the form name or no-name. The applicable parameters
depend on the particular input and output module. For details, see the HTML
documentation.
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